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Posting for a friend... looking for advice on how/where to install trim tabs on a 92 Cape Horn 21 center console. The boat recently had a tower installed and we're hoping the trim tabs will improve planing, ride quality and provide some port/starboard roll leveling control.

These boats have an odd motor well setup with a stepped transom, making trim tab placement less than obvious. In addition to the best location, also looking for recommendations on electric vs hydraulic tabs.

Rather than reinvent the wheel we are looking for advice and counsel from the community. Thanks in advance for your recommendations and install photos if you have them.

I will try to get that measurement, but it will take a few days - no one is near the boat this week.

That seems to be the most logical location, but it's not a very big area, and the scuppers may be a factor for the rams. I'm hoping to hear from someone who's been down this road and found a solution that worked.

Just a quick update. My buddy decided to go with the Bennett M120 Sport Tabs. We installed them this afternoon. The install went pretty smooth, and they look great. I'll try to get a couple photos of the install next time we put her in the water.

The boat hasn't been in the water with the tabs installed, but everything is operating great. He installed control switches in the upper station of his tower as well.

We got really lucky with the install. This old Cape Horn has an interesting hollow wall, about 3" thick, around the splash well and live well, and the hydraulic line for the tabs landed right in the void of that wall. Made for a very easy job to run the plumbing once we got the tab location all laid out. The third pic shows the top of that hollow wall from the stern looking forward.